Which of the types listed below can be the type of the result value returned by a user-defined function?

A multiple data series chart

A) is a key that identifies the color, gradient, picture, texture, or pattern fill assigned to each data series in a chart. B) compares two or more sets of data in one chart. C) groups or clusters similar data in columns to compare values across categories. D) places stacks of data in segments on top of each other in one column, with each category in the data series represented by a different color.

In a __________ loop the menu will be displayed at least once.

a. Do-While b. While c. For d. Case